Change become arguments to boolean

Changed all 'become: ' values from 'yes' to 'true' to satisfy the schema
(and also make the lsp shut up).

roles/searx/handlers/main.yml

@@ -4,14 +4,14 @@
     path: "{{ searx_upstream_file_dir }}"
     state: directory
     mode: '0755'
-  become: yes
+  become: true
   listen: "update searx upstream"
 
 - name: Update upstream template
   ansible.builtin.template:
     src: upstream.json.j2
     dest: "{{ searx_upstream_file_dir }}/upstream.json"
-  become: yes
+  become: true
   listen: "update searx upstream"
 
 # figure out if upstream id exists
@@ -22,7 +22,7 @@
       curl localhost:2019/id/{{ stack_name }}_upstream/
   changed_when: False
   register: result
-  become: yes
+  become: true
   listen: "update searx upstream"
 
 # upstream already exists, patch it
@@ -31,7 +31,7 @@
     container: "{{ caddy_container_id }}"
     command: >
       curl -X DELETE localhost:2019/id/{{ stack_name }}_upstream/
-  become: yes
+  become: true
   when: (result.stdout | from_json)['error'] is not defined
   listen: "update searx upstream"
 
@@ -41,13 +41,13 @@
     container: "{{ caddy_container_id }}"
     command: >
       curl -X POST -H "Content-Type: application/json" -d @{{ searx_upstream_file_dir }}/upstream.json localhost:2019/config/apps/http/servers/{{ (searx_use_https == True) | ternary(caddy_https_server_name, caddy_http_server_name) }}/routes/0/ 
-  become: yes
+  become: true
   listen: "update searx upstream"
 
 - name: Ensure upstream directory is gone again
   ansible.builtin.file:
     path: "{{ searx_upstream_file_dir }}"
     state: absent
-  become: yes
+  become: true
   listen: "update searx upstream"