ci: bump actions/cache from 2 to 3

Bumps [actions/cache](https://github.com/actions/cache) from 2 to 3.
- [Release notes](https://github.com/actions/cache/releases)
- [Changelog](https://github.com/actions/cache/blob/main/RELEASES.md)
- [Commits](actions/cache@v2...v3)

---
updated-dependencies:
- dependency-name: actions/cache
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
Signed-off-by: Bradley Jones <bradley.jones@anchore.com>

.github/workflows/release.yaml

@@ -75,7 +75,7 @@ jobs:
 
       - name: Restore bootstrap cache
         id: cache
-        uses: actions/cache@v2
+        uses: actions/cache@v3
         with:
           path: |
             ~/go/pkg/mod

.github/workflows/snapshot.yaml

@@ -22,7 +22,7 @@ jobs:
 
       - name: Restore bootstrap cache
         id: cache
-        uses: actions/cache@v2
+        uses: actions/cache@v3
         with:
           path: |
             ~/go/pkg/mod

.github/workflows/static-analysis.yaml

@@ -19,7 +19,7 @@ jobs:
 
       - name: Restore bootstrap cache
         id: bootstrap-cache
-        uses: actions/cache@v2.1.3
+        uses: actions/cache@v3
         with:
           path: |
             ~/go/pkg/mod

.github/workflows/unit-test.yaml

@@ -20,7 +20,7 @@ jobs:
 
       - name: Restore bootstrap cache
         id: bootstrap-cache
-        uses: actions/cache@v2.1.3
+        uses: actions/cache@v3
         with:
           path: |
             ~/go/pkg/mod