Fix validation pattern for git commit hash

#129

src/components/workflows/modals/ArbitraryWorkflowModal.vue

@@ -529,7 +529,7 @@ onMounted(() => {
               ref="workflowGitCommitHashElement"
               maxlength="40"
               minlength="40"
-              pattern="^[0-9a-f]$"
+              pattern="^[0-9a-f]+$"
               v-model="workflow.git_commit_hash"
               @change="formState.allowUpload = false"
             />

src/components/workflows/modals/CreateWorkflowModal.vue

@@ -436,7 +436,7 @@ onMounted(() => {
                 ref="workflowGitCommitHashElement"
                 maxlength="40"
                 minlength="40"
-                pattern="^[0-9a-f]$"
+                pattern="^[0-9a-f]+$"
                 v-model="workflow.git_commit_hash"
                 @change="formState.allowUpload = false"
               />

src/components/workflows/modals/UpdateWorkflowModal.vue

@@ -377,7 +377,7 @@ onMounted(() => {
                 ref="workflowGitCommitHashElement"
                 maxlength="40"
                 minlength="40"
-                pattern="^[0-9a-f]$"
+                pattern="^[0-9a-f]+$"
                 v-model="workflowUpdate.git_commit_hash"
                 @change="formState.allowUpload = false"
               />