Bump Pkg to latest master (6c29d6c5421b4e3d872ccf42bd775b627b300069) (#34186)

$ git log --oneline 8e236a7f993f1e732ffd0ab5c15736b2594e4109^..6c29d6c5421b4e3d872ccf42bd775b627b300069
6c29d6c provide a fallback when sandboxing projects with no project file (#1549)
b9bcd6a Do not ever attempt to set owner when extracting (#1557)
50581b2 Add try/catch around call to realpath in safe_realpath (#1547)
fb248f4 Remove Test which was added as a dependency by accident (#1553)
180d51e Disable needless specialization in Artifacts code (#1543)
7e42dfa telemetry: remove commit header (#1551)
a9d85e7 Adjust GC delay and add `--all` flag to circumvent delay (#1540)
8e236a7 Merge pull request #1544 from JuliaLang/sk/telemetry
90b8482 telemetry: factor out telemetry file loading
228fb97 CI telemetry: send indicators for common CI env vars
246dbd0 Pkg protocol: basic anonymous opt-out telemetry

Author: DilumAluthge

deps/checksums/Pkg-39a48285b39611c379424b193ea016e971aecde4.tar.gz/md5

@@ -0,0 +1 @@
+5a849b56864413cbda4385d078ce8ac8

deps/checksums/Pkg-39a48285b39611c379424b193ea016e971aecde4.tar.gz/sha512

@@ -0,0 +1 @@
+8ca3fe25f462098f059984220d0828994d7cc8fdb8ae73894d321482948bbf6f75aacefa67d58ca406229f6e89814cbdef3d2cf53b89bb3b3270cdb6e221c7fe

deps/checksums/Pkg-498cba42bdde38df4d7e18c24ca9f6be846bafd1.tar.gz/md5

@@ -1,2 +1,2 @@
 PKG_BRANCH = master
-PKG_SHA1 = 8e236a7f993f1e732ffd0ab5c15736b2594e4109
+PKG_SHA1 = 6c29d6c5421b4e3d872ccf42bd775b627b300069