Bump actions/attest-build-provenance from 1 to 2

Bumps [actions/attest-build-provenance](https://github.com/actions/attest-build-provenance) from 1 to 2.
- [Release notes](https://github.com/actions/attest-build-provenance/releases)
- [Changelog](https://github.com/actions/attest-build-provenance/blob/main/RELEASE.md)
- [Commits](actions/attest-build-provenance@v1...v2)

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

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/build.yaml

@@ -137,7 +137,7 @@ jobs:
           sbom: true
 
       - name: Attest Docker Hub
-        uses: actions/attest-build-provenance@v1
+        uses: actions/attest-build-provenance@v2
         id: attest
         with:
           subject-name: ghcr.io/${{ github.repository_owner }}/netdroid_sdk
@@ -220,7 +220,7 @@ jobs:
           sbom: true
 
       - name: Attest Docker Hub
-        uses: actions/attest-build-provenance@v1
+        uses: actions/attest-build-provenance@v2
         id: attest
         with:
           subject-name: ghcr.io/${{ github.repository_owner }}/netdroid

.github/workflows/docker.yaml

@@ -92,7 +92,7 @@ jobs:
           sbom: true
 
       - name: Attest Docker Hub
-        uses: actions/attest-build-provenance@v1
+        uses: actions/attest-build-provenance@v2
         id: attest
         with:
           subject-name: ghcr.io/${{ github.repository_owner }}/netdroid
@@ -173,7 +173,7 @@ jobs:
           sbom: true
 
       - name: Attest Docker Hub
-        uses: actions/attest-build-provenance@v1
+        uses: actions/attest-build-provenance@v2
         id: attest
         with:
           subject-name: ghcr.io/${{ github.repository_owner }}/netdroid_sdk