filter: reservoir sample the algo feed

so its not the same static 15 pubkeys

Signed-off-by: William Casarin <jb55@jb55.com>

Cargo.lock

@@ -193,7 +193,7 @@ dependencies = [
  "objc2-foundation 0.3.1",
  "parking_lot",
  "percent-encoding",
- "windows-sys 0.52.0",
+ "windows-sys 0.59.0",
  "x11rb",
 ]
 
@@ -246,7 +246,7 @@ dependencies = [
  "enumflags2",
  "futures-channel",
  "futures-util",
- "rand 0.9.1",
+ "rand 0.9.2",
  "raw-window-handle",
  "serde",
  "serde_repr",
@@ -3542,6 +3542,7 @@ dependencies = [
  "profiling",
  "puffin",
  "puffin_egui",
+ "rand 0.9.2",
  "regex",
  "secp256k1 0.30.0",
  "serde",
@@ -3683,7 +3684,7 @@ dependencies = [
  "nostrdb",
  "notedeck",
  "notedeck_ui",
- "rand 0.9.1",
+ "rand 0.9.2",
  "serde",
  "serde_json",
  "sha2",
@@ -4603,7 +4604,7 @@ dependencies = [
  "bytes",
  "getrandom 0.3.3",
  "lru-slab",
- "rand 0.9.1",
+ "rand 0.9.2",
  "ring",
  "rustc-hash 2.1.1",
  "rustls",
@@ -4657,9 +4658,9 @@ dependencies = [
 
 [[package]]
 name = "rand"
-version = "0.9.1"
+version = "0.9.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9fbfd9d094a40bf3ae768db9361049ace4c0e04a4fd6b359518bd7b73a73dd97"
+checksum = "6db2770f06117d490610c7488547d543617b21bfa07796d7a12f6f1bd53850d1"
 dependencies = [
  "rand_chacha 0.9.0",
  "rand_core 0.9.3",
@@ -6278,7 +6279,7 @@ dependencies = [
  "http",
  "httparse",
  "log",
- "rand 0.9.1",
+ "rand 0.9.2",
  "rustls",
  "rustls-pki-types",
  "sha1",