⬆️ Upgrades ZeroTier One to 1.6.3 (#33)

Bumps [actions/cache](https://github.com/actions/cache) from v2.1.3 to v2.1.4.
- [Release notes](https://github.com/actions/cache/releases)
- [Commits](https://github.com/actions/cache/compare/v2.1.3...26968a09c0ea4f3e233fdddbafd1166051a095f6)

Signed-off-by: dependabot[bot] <support@github.com>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/ci.yaml

@@ -74,7 +74,7 @@ jobs:
       - name: ⤵️ Check out code from GitHub
         uses: actions/checkout@v2.3.4
       - name: 🚀 Run mdl
-        uses: actionshub/markdownlint@2.0.0
+        uses: actionshub/markdownlint@2.0.2
 
   lint-shellcheck:
     name: Shellcheck
@@ -129,7 +129,7 @@ jobs:
         uses: actions/checkout@v2.3.4
       - name: 🏗 Set up build cache
         id: cache
-        uses: actions/cache@v2.1.3
+        uses: actions/cache@v2.1.4
         with:
           path: /tmp/.docker-cache
           key: docker-${{ github.ref }}-${{ matrix.architecture }}-${{ github.sha }}

.github/workflows/deploy.yaml

@@ -68,7 +68,7 @@ jobs:
         uses: actions/checkout@v2.3.4
       - name: 🏗 Set up build cache
         id: cache
-        uses: actions/cache@v2.1.3
+        uses: actions/cache@v2.1.4
         with:
           path: /tmp/.docker-cache
           key: docker-${{ github.ref }}-${{ matrix.architecture }}-${{ github.sha }}

zerotier/Dockerfile

@@ -17,7 +17,7 @@ RUN \
         libgcc=10.2.1_pre1-r3 \
         libstdc++=10.2.1_pre1-r3 \
     \
-    && git clone --branch "1.6.2" --depth=1 \
+    && git clone --branch "1.6.3" --depth=1 \
         "https://github.com/zerotier/ZeroTierOne.git" /tmp/zerotier \
     \
     && cd /tmp/zerotier \