chore: fix tests, fix vulns (#49)

* fix failing tests

* chore: fix vulns

* test - try to fix github action

---------

Co-authored-by: David Calhoun <david.b.calhoun+github@gmail.com>

Author: davidcalhoun

.github/workflows/unit-tests.yml

@@ -10,7 +10,7 @@ jobs:
             # Restore cache if available.
             - name: Restore cached dependencies
               id: dep-cache
-              uses: actions/cache@v2
+              uses: actions/cache@v4
               env:
                   cache-name: tlejs-cache
               with:

__tests__/sgp4.js

@@ -229,7 +229,7 @@ describe("getGroundTracks", () => {
 		const firstLng = coords[0][0][0];
 		const lastLng = coords[0][coords[0].length - 1][0];
 
-		expect(firstLng).toBe(-179.9996305056871);
+		expect(firstLng).toBeCloseTo(-179.99963050);
 		expect(lastLng).toBe(179.9939688862288);
 	});
 
@@ -263,7 +263,7 @@ describe("getGroundTracksSync", () => {
 
 		const firstLng = coords[0][0][0];
 		const lastLng = coords[0][coords[0].length - 1][0];
-		expect(firstLng).toBe(-179.9996305056871);
+		expect(firstLng).toBeCloseTo(-179.9996305);
 		expect(lastLng).toBe(179.9939688862288);
 	});