fix: set current stackablectl release to 1.4.0 (#434)

* fix: set current stackablectl release to 1.4.0

* fix: Bump aws-lc-{rs,sys} to negate RUSTSEC-2026-0048+0044

* fix: Bump rustls-webpki to negate RUSTSEC-2026-0049

* fix: Remove duplicate version key in Cargo.lock

* fix: Remove more stuff from merge conflict

---------

Co-authored-by: Techassi <git@techassi.dev>

Author: StefanFl

Cargo.lock

@@ -1,7 +1,7 @@
 = Installation
 :page-aliases: stable@stackablectl::installation.adoc
 
-:latest-release: https://github.com/stackabletech/stackable-cockpit/releases/tag/stackablectl-1.2.1
+:latest-release: https://github.com/stackabletech/stackable-cockpit/releases/tag/stackablectl-1.4.0
 :fish-comp-loations: https://fishshell.com/docs/current/completions.html#where-to-put-completions
 :nushell-comp-locations: https://www.nushell.sh/book/custom_commands.html#persisting
 
@@ -23,14 +23,14 @@ You can also use the following command:
 
 [source,console]
 ----
-$ curl -L -o stackablectl https://github.com/stackabletech/stackable-cockpit/releases/download/stackablectl-1.2.1/stackablectl-x86_64-unknown-linux-gnu
+$ curl -L -o stackablectl https://github.com/stackabletech/stackable-cockpit/releases/download/stackablectl-1.4.0/stackablectl-x86_64-unknown-linux-gnu
 ----
 
 **aarch64** (arm64):
 
 [source,console]
 ----
-$ curl -L -o stackablectl https://github.com/stackabletech/stackable-cockpit/releases/download/stackablectl-1.2.1/stackablectl-aarch64-unknown-linux-gnu
+$ curl -L -o stackablectl https://github.com/stackabletech/stackable-cockpit/releases/download/stackablectl-1.4.0/stackablectl-aarch64-unknown-linux-gnu
 ----
 
 Install the binary into a directory in the `$PATH`, and make it executable:
@@ -60,14 +60,14 @@ You can also use the following command:
 
 [source,console]
 ----
-$ curl -L -o stackablectl https://github.com/stackabletech/stackable-cockpit/releases/download/stackablectl-1.2.1/stackablectl-x86_64-apple-darwin
+$ curl -L -o stackablectl https://github.com/stackabletech/stackable-cockpit/releases/download/stackablectl-1.4.0/stackablectl-x86_64-apple-darwin
 ----
 
 **aarch64** (arm64):
 
 [source,console]
 ----
-$ curl -L -o stackablectl https://github.com/stackabletech/stackable-cockpit/releases/download/stackablectl-1.2.1/stackablectl-aarch64-apple-darwin
+$ curl -L -o stackablectl https://github.com/stackabletech/stackable-cockpit/releases/download/stackablectl-1.4.0/stackablectl-aarch64-apple-darwin
 ----
 
 Install the binary into a directory in the `$PATH`, and make it executable: