chore(deps): update dependency go to v1.26.3

Author: renovate[bot]

.github/workflows/release.yml

@@ -23,7 +23,7 @@ jobs:
     - name: Set up Go 1.19
       uses: actions/setup-go@v5
       with:
-        go-version: 1.19.4
+        go-version: 1.26.3
       id: go
 
     - name: Check out source

.github/workflows/test.yml

@@ -16,7 +16,7 @@ jobs:
     - name: Set up Go 1.19
       uses: actions/setup-go@v5
       with:
-        go-version: 1.19.4
+        go-version: 1.26.3
       id: go
 
     - name: Check out source