Fix lack of space in stress test error message (#4656)

Author: SeanTAllen

.github/workflows/stress-test-tcp-open-close-linux.yml

@@ -96,7 +96,7 @@ jobs:
           to: notifications
           type: stream
           topic: ${{ github.repository }} scheduled job failure
-          content: ${{ github.server_url}}/${{ github.repository }}/actions/runs/${{ github.run_id }}failed.
+          content: ${{ github.server_url}}/${{ github.repository }}/actions/runs/${{ github.run_id }} failed.
 
   aarch64-linux:
     runs-on: ubuntu-24.04-arm
@@ -163,4 +163,4 @@ jobs:
           to: notifications
           type: stream
           topic: ${{ github.repository }} scheduled job failure
-          content: ${{ github.server_url}}/${{ github.repository }}/actions/runs/${{ github.run_id }}failed.
+          content: ${{ github.server_url}}/${{ github.repository }}/actions/runs/${{ github.run_id }} failed.

.github/workflows/stress-test-ubench-linux.yml

@@ -96,7 +96,7 @@ jobs:
           to: notifications
           type: stream
           topic: ${{ github.repository }} scheduled job failure
-          content: ${{ github.server_url}}/${{ github.repository }}/actions/runs/${{ github.run_id }}failed.
+          content: ${{ github.server_url}}/${{ github.repository }}/actions/runs/${{ github.run_id }} failed.
 
   aarch64-linux:
     runs-on: ubuntu-24.04-arm
@@ -163,4 +163,4 @@ jobs:
           to: notifications
           type: stream
           topic: ${{ github.repository }} scheduled job failure
-          content: ${{ github.server_url}}/${{ github.repository }}/actions/runs/${{ github.run_id }}failed.
+          content: ${{ github.server_url}}/${{ github.repository }}/actions/runs/${{ github.run_id }} failed.