feat: make samply-codspeed a submodule rather than git rev with cargo

Working locally with this was extremely annoying, and the script was
actually a stupid workaround compared to just using a submodule.

Author: GuillaumeLagrange

.gitmodules

@@ -1,3 +1,6 @@
 [submodule "crates/instrument-hooks-bindings/instrument-hooks"]
 	path = crates/instrument-hooks-bindings/instrument-hooks
 	url = https://github.com/CodSpeedHQ/instrument-hooks.git
+[submodule "crates/samply-codspeed"]
+	path = crates/samply-codspeed
+	url = https://github.com/CodSpeedHQ/samply-codspeed.git

.pre-commit-config.yaml

@@ -17,7 +17,8 @@ repos:
     rev: v1.0
     hooks:
       - id: fmt
-        args: [--all, --]
+        args: [--]
+        pass_filenames: false
       - id: clippy
         args: [--all-targets, --, -D, warnings]
   - repo: https://github.com/cpp-linter/cpp-linter-hooks

Cargo.lock

@@ -68,7 +68,7 @@ rmp-serde = "1.3.1"
 uuid = { version = "1.23.1", features = ["v4"] }
 which = "8.0.2"
 crc32fast = "1.5.0"
-samply = { git = "https://github.com/CodSpeedHQ/samply-codspeed", rev = "81ba2c346e71" }
+samply = { path = "crates/samply-codspeed/samply" }
 
 # Memory profiling (memtrack) and the capability handling around it are Linux-only.
 [target.'cfg(target_os = "linux")'.dependencies]
@@ -96,6 +96,7 @@ members = [
   "crates/exec-harness",
   "crates/instrument-hooks-bindings",
 ]
+exclude = ["crates/samply-codspeed"]
 
 [workspace.dependencies]
 anyhow = "1.0"
@@ -106,7 +107,7 @@ serde_json = "1.0"
 serde = { version = "1.0.228", features = ["derive"] }
 ipc-channel = "0.20"
 itertools = "0.14.0"
-linux-perf-event-reader = "0.10.2" # matches the version linux-perf-data resolves to
+linux-perf-event-reader = "0.10.2"                                                       # matches the version linux-perf-data resolves to
 env_logger = "0.11.10"
 tempfile = "3.27.0"
 object = { version = "0.39", default-features = false, features = ["read_core", "elf"] }