Review: Replace "feature requests" by "issues"

Author: paulinea

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -15,7 +15,7 @@ body:
       label: Prerequisites
       description: Take a couple minutes to help our maintainers work faster.
       options:
-        - label: I have [searched the backlog](https://github.com/Orange-OpenSource/ouds-android/issues) for duplicate or closed feature requests.
+        - label: I have [searched the backlog](https://github.com/Orange-OpenSource/ouds-android/issues) for duplicate or closed issues.
           required: true
   - type: textarea
     id: what-happened

.github/ISSUE_TEMPLATE/component_update.yml

@@ -14,7 +14,7 @@ body:
       label: Prerequisites
       description: Take a couple minutes to help our maintainers work faster.
       options:
-        - label: I have [searched the backlog](https://github.com/Orange-OpenSource/ouds-android/issues) for duplicate or closed feature requests.
+        - label: I have [searched the backlog](https://github.com/Orange-OpenSource/ouds-android/issues) for duplicate or closed issues.
           required: true
   - type: textarea
     id: description

.github/ISSUE_TEMPLATE/demo_app_update.yml

@@ -14,7 +14,7 @@ body:
       label: Prerequisites
       description: Take a couple minutes to help our maintainers work faster.
       options:
-        - label: I have [searched the backlog](https://github.com/Orange-OpenSource/ouds-android/issues) for duplicate or closed feature requests.
+        - label: I have [searched the backlog](https://github.com/Orange-OpenSource/ouds-android/issues) for duplicate or closed issues.
           required: true
   - type: textarea
     id: description

.github/ISSUE_TEMPLATE/documentation_update.yml

@@ -14,7 +14,7 @@ body:
       label: Prerequisites
       description: Take a couple minutes to help our maintainers work faster.
       options:
-        - label: I have [searched the backlog](https://github.com/Orange-OpenSource/ouds-android/issues) for duplicate or closed feature requests.
+        - label: I have [searched the backlog](https://github.com/Orange-OpenSource/ouds-android/issues) for duplicate or closed issues.
           required: true
   - type: textarea
     id: location

.github/ISSUE_TEMPLATE/feature_request.yml

@@ -14,7 +14,7 @@ body:
       label: Prerequisites
       description: Take a couple minutes to help our maintainers work faster.
       options:
-        - label: I have [searched the backlog](https://github.com/Orange-OpenSource/ouds-android/issues) for duplicate or closed feature requests.
+        - label: I have [searched the backlog](https://github.com/Orange-OpenSource/ouds-android/issues) for duplicate or closed issues.
           required: true
   - type: markdown
     attributes: