CI: use Go 1.18

Signed-off-by: Akihiro Suda <[email protected]>

Author: AkihiroSuda

.github/workflows/release.yml

@@ -17,7 +17,7 @@ jobs:
     steps:
     - uses: actions/setup-go@v2
       with:
-        go-version: 1.17.x
+        go-version: 1.18.x
     - uses: actions/checkout@v2
       with:
         fetch-depth: 1
@@ -40,7 +40,7 @@ jobs:
         path: _artifacts/
     - uses: actions/setup-go@v2
       with:
-        go-version: 1.17.x
+        go-version: 1.18.x
     - name: Install gcc-aarch64-linux-gnu
       run: |
         sudo apt-get update

.github/workflows/test.yml

@@ -15,7 +15,7 @@ jobs:
     steps:
     - uses: actions/setup-go@v2
       with:
-        go-version: 1.17.x
+        go-version: 1.18.x
     - uses: actions/checkout@v2
       with:
         fetch-depth: 1
@@ -58,7 +58,7 @@ jobs:
     steps:
     - uses: actions/setup-go@v2
       with:
-        go-version: 1.17.x
+        go-version: 1.18.x
     - uses: actions/checkout@v2
       with:
         fetch-depth: 1
@@ -150,7 +150,7 @@ jobs:
     steps:
     - uses: actions/setup-go@v2
       with:
-        go-version: 1.17.x
+        go-version: 1.18.x
     - uses: actions/checkout@v3
       with:
         fetch-depth: 0
@@ -176,7 +176,7 @@ jobs:
     steps:
     - uses: actions/setup-go@v2
       with:
-        go-version: 1.17.x
+        go-version: 1.18.x
     - uses: actions/checkout@v2
       with:
         fetch-depth: 1
@@ -190,7 +190,7 @@ jobs:
     steps:
     - uses: actions/setup-go@v2
       with:
-        go-version: 1.17.x
+        go-version: 1.18.x
     - name: Install gcc-aarch64-linux-gnu
       run: |
         sudo apt-get update