Bump Traefik to v2.2.6

[ldez]

Hello,

This PR updates Traefik to v2.2.6.

/cc @mmatur @SantoDE @juliens

Cheers

[jbdoumenjou]

LGTM

[mmatur]

LGTM

[github-actions]

Diff for c8c75de:

diff --git a/_bashbrew-cat b/_bashbrew-cat
index ef3f191..5a22744 100644
--- a/_bashbrew-cat
+++ b/_bashbrew-cat
@@ -12,14 +12,14 @@ GitCommit: 9ac00ce5eb8e85bc017d521eb9a57a5a9cd6298f
 Directory: windows/1809
 Constraints: windowsservercore-1809
 
-Tags: v2.2.5, 2.2.5, v2.2, 2.2, chevrotin, latest
+Tags: v2.2.6, 2.2.6, v2.2, 2.2, chevrotin, latest
 Architectures: amd64, arm32v6, arm64v8
-GitCommit: 82775bf63eca8bb6772905fcfc363e4ba786b8da
+GitCommit: 4aae6578b672bd24965fa48245543ad0dbd05494
 Directory: alpine
 
-Tags: v2.2.5-windowsservercore-1809, 2.2.5-windowsservercore-1809, v2.2-windowsservercore-1809, 2.2-windowsservercore-1809, chevrotin-windowsservercore-1809, windowsservercore-1809
+Tags: v2.2.6-windowsservercore-1809, 2.2.6-windowsservercore-1809, v2.2-windowsservercore-1809, 2.2-windowsservercore-1809, chevrotin-windowsservercore-1809, windowsservercore-1809
 Architectures: windows-amd64
-GitCommit: 82775bf63eca8bb6772905fcfc363e4ba786b8da
+GitCommit: 4aae6578b672bd24965fa48245543ad0dbd05494
 Directory: windows/1809
 Constraints: windowsservercore-1809
 
diff --git a/_bashbrew-list b/_bashbrew-list
index e35c3de..3e43976 100644
--- a/_bashbrew-list
+++ b/_bashbrew-list
@@ -6,8 +6,8 @@ traefik:1.7.25-alpine
 traefik:1.7.25-windowsservercore-1809
 traefik:2.2
 traefik:2.2-windowsservercore-1809
-traefik:2.2.5
-traefik:2.2.5-windowsservercore-1809
+traefik:2.2.6
+traefik:2.2.6-windowsservercore-1809
 traefik:2.3
 traefik:2.3-windowsservercore-1809
 traefik:2.3.0-rc2
@@ -28,8 +28,8 @@ traefik:v1.7.25-alpine
 traefik:v1.7.25-windowsservercore-1809
 traefik:v2.2
 traefik:v2.2-windowsservercore-1809
-traefik:v2.2.5
-traefik:v2.2.5-windowsservercore-1809
+traefik:v2.2.6
+traefik:v2.2.6-windowsservercore-1809
 traefik:v2.3
 traefik:v2.3-windowsservercore-1809
 traefik:v2.3.0-rc2
diff --git a/traefik_latest/Dockerfile b/traefik_latest/Dockerfile
index 34b4592..79e4b95 100644
--- a/traefik_latest/Dockerfile
+++ b/traefik_latest/Dockerfile
@@ -8,7 +8,7 @@ RUN set -ex; \
 		x86_64) arch='amd64' ;; \
 		*) echo >&2 "error: unsupported architecture: $apkArch"; exit 1 ;; \
 	esac; \
-	wget --quiet -O /tmp/traefik.tar.gz "https://github.com/containous/traefik/releases/download/v2.2.5/traefik_v2.2.5_linux_$arch.tar.gz"; \
+	wget --quiet -O /tmp/traefik.tar.gz "https://github.com/containous/traefik/releases/download/v2.2.6/traefik_v2.2.6_linux_$arch.tar.gz"; \
 	tar xzvf /tmp/traefik.tar.gz -C /usr/local/bin traefik; \
 	rm -f /tmp/traefik.tar.gz; \
 	chmod +x /usr/local/bin/traefik
@@ -22,5 +22,5 @@ LABEL org.opencontainers.image.vendor="Containous" \
 	org.opencontainers.image.url="https://traefik.io" \
 	org.opencontainers.image.title="Traefik" \
 	org.opencontainers.image.description="A modern reverse-proxy" \
-	org.opencontainers.image.version="v2.2.5" \
+	org.opencontainers.image.version="v2.2.6" \
 	org.opencontainers.image.documentation="https://docs.traefik.io"
diff --git a/traefik_windowsservercore-1809/Dockerfile b/traefik_windowsservercore-1809/Dockerfile
index e0d8bfc..430fec6 100644
--- a/traefik_windowsservercore-1809/Dockerfile
+++ b/traefik_windowsservercore-1809/Dockerfile
@@ -2,7 +2,7 @@ FROM mcr.microsoft.com/windows/servercore:1809
 SHELL ["powershell", "-Command", "$ErrorActionPreference = 'Stop'; $ProgressPreference = 'SilentlyContinue';"]
 
 RUN Invoke-WebRequest \
-        -Uri "https://github.com/containous/traefik/releases/download/v2.2.5/traefik_v2.2.5_windows_amd64.zip" \
+        -Uri "https://github.com/containous/traefik/releases/download/v2.2.6/traefik_v2.2.6_windows_amd64.zip" \
         -OutFile "/traefik.zip"; \
     Expand-Archive -Path "/traefik.zip" -DestinationPath "/" -Force; \
     Remove-Item "/traefik.zip" -Force
@@ -15,5 +15,5 @@ LABEL org.opencontainers.image.vendor="Containous" \
     org.opencontainers.image.url="https://traefik.io" \
     org.opencontainers.image.title="Traefik" \
     org.opencontainers.image.description="A modern reverse-proxy" \
-    org.opencontainers.image.version="v2.2.5" \
+    org.opencontainers.image.version="v2.2.6" \
     org.opencontainers.image.documentation="https://docs.traefik.io"