Merge pull request #2431 from oasisprotocol/kostko/feature/oasis-core-26.0

Bump Oasis Core to 26.0

Author: kostko

.github/actions/test-rust/action.yml

@@ -11,7 +11,7 @@ runs:
     - name: Install tarpaulin
       uses: taiki-e/install-action@v2
       with:
-        tool: cargo-tarpaulin@0.32.5
+        tool: cargo-tarpaulin@0.35.2
 
     - name: Unit tests with coverage
       shell: bash

.github/workflows/ci-examples.yml

@@ -122,7 +122,7 @@ jobs:
       - name: Setup Go
         uses: actions/setup-go@v5
         with:
-          go-version: "1.25.x"
+          go-version: "1.26.x"
 
       # Generate go.sum needed for linting.
       - name: Generate go.sum
@@ -134,7 +134,7 @@ jobs:
         uses: golangci/golangci-lint-action@v8
         with:
           # NOTE: The version must be specified without the patch version.
-          version: v2.5
+          version: v2.11
           working-directory: examples/${{ matrix.example }}
 
       - name: Build ${{ matrix.example }}

.github/workflows/ci-lint.yml

@@ -77,13 +77,13 @@ jobs:
       - name: Setup Go
         uses: actions/setup-go@v5
         with:
-          go-version: "1.25.x"
+          go-version: "1.26.x"
 
       - name: Lint Go client-sdk
         uses: golangci/golangci-lint-action@v8
         with:
           # NOTE: The version must be specified without the patch version.
-          version: v2.5
+          version: v2.11
           working-directory: client-sdk/go
 
   lint-go-tests-e2e:
@@ -106,13 +106,13 @@ jobs:
       - name: Setup Go
         uses: actions/setup-go@v5
         with:
-          go-version: "1.25.x"
+          go-version: "1.26.x"
 
       - name: Lint E2E tests
         uses: golangci/golangci-lint-action@v8
         with:
           # NOTE: The version must be specified without the patch version.
-          version: v2.5
+          version: v2.11
           working-directory: tests/e2e
 
   lint-go-reflect:
@@ -125,13 +125,13 @@ jobs:
       - name: Setup Go
         uses: actions/setup-go@v5
         with:
-          go-version: "1.25.x"
+          go-version: "1.26.x"
 
       - name: Lint reflect-go
         uses: golangci/golangci-lint-action@v8
         with:
           # NOTE: The version must be specified without the patch version.
-          version: v2.5
+          version: v2.11
           working-directory: client-sdk/ts-web/core/reflect-go
 
   lint-ts-web:

.github/workflows/ci-longtest.yaml

@@ -22,7 +22,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v5
         with:
-          go-version: "1.25.x"
+          go-version: "1.26.x"
 
       - name: Install Oasis dependencies
         run: |

.github/workflows/ci-test.yaml

@@ -24,7 +24,7 @@ env:
   CMAKE_POLICY_VERSION_MINIMUM: 3.5
 
 permissions:
-  id-token: write  # Needed for "use_oidc" in codecov
+  id-token: write # Needed for "use_oidc" in codecov
   contents: read
 
 jobs:
@@ -150,7 +150,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v5
         with:
-          go-version: "1.25.x"
+          go-version: "1.26.x"
 
       - name: Unit tests with coverage
         working-directory: client-sdk/go
@@ -160,7 +160,7 @@ jobs:
         uses: codecov/codecov-action@v5.5.1
         with:
           directory: client-sdk/go
-          use_oidc: true  # Upload authentication to avoid rate-limiting
+          use_oidc: true # Upload authentication to avoid rate-limiting
 
   test-go-tools:
     name: test-tools
@@ -172,7 +172,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v5
         with:
-          go-version: "1.25.x"
+          go-version: "1.26.x"
 
       - name: Test build orc
         working-directory: tools/orc
@@ -457,7 +457,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v5
         with:
-          go-version: "1.25.x"
+          go-version: "1.26.x"
 
       - name: Install Oasis dependencies
         run: |
@@ -564,7 +564,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v5
         with:
-          go-version: "1.25.x"
+          go-version: "1.26.x"
 
       - name: Generate
         working-directory: client-sdk/ts-web/core/reflect-go
@@ -613,7 +613,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v5
         with:
-          go-version: "1.25.x"
+          go-version: "1.26.x"
 
       - name: Install Oasis dependencies
         run: |