Use properly packaged Tor for .drone scripts

.drone.yml

@@ -12,12 +12,11 @@ steps:
     commands:
       - go install honnef.co/go/tools/cmd/staticcheck@latest
       - go install go.uber.org/nilaway/cmd/nilaway@latest
-      - apt update
-      - apt install libevent-2.1-7
-      - wget https://git.openprivacy.ca/openprivacy/buildfiles/raw/master/tor/tor
-      - wget https://git.openprivacy.ca/openprivacy/buildfiles/raw/master/tor/torrc
-      - chmod a+x tor
-      - export PATH=`pwd`:$PATH
+      - wget https://git.openprivacy.ca/openprivacy/buildfiles/raw/branch/master/tor/tor-0.4.8.9-linux-x86_64.tar.gz -O tor.tar.gz
+      - tar -xzf tor.tar.gz
+      - chmod a+x Tor/tor
+      - export PATH=$PWD/Tor/:$PATH
+      - export LD_LIBRARY_PATH=$PWD/Tor/
       - tor --version
       - export GO111MODULE=on
   - name: quality
@@ -41,9 +40,8 @@ steps:
       - name: deps
         path: /go
     commands:
-      - apt update
-      - apt install libevent-2.1-7    
-      - export PATH=`pwd`:$PATH
+      - export PATH=$PWD/Tor/:$PATH
+      - export LD_LIBRARY_PATH=$PWD/Tor/
       - tor --version
       - go test -timeout=30m -race -v cwtch.im/cwtch/testing/
   - name: filesharing-integ-test
@@ -52,9 +50,8 @@ steps:
       - name: deps
         path: /go
     commands:
-      - apt update
-      - apt install libevent-2.1-7    
-      - export PATH=`pwd`:$PATH
+      - export PATH=$PWD/Tor/:$PATH
+      - export LD_LIBRARY_PATH=$PWD/Tor/
       - go test -timeout=20m -race -v cwtch.im/cwtch/testing/filesharing
   - name: filesharing-autodownload-integ-test
     image: golang:1.21.5-bookworm
@@ -62,9 +59,8 @@ steps:
       - name: deps
         path: /go
     commands:
-      - apt update
-      - apt install libevent-2.1-7 
-      - export PATH=`pwd`:$PATH
+      - export PATH=$PWD/Tor/:$PATH
+      - export LD_LIBRARY_PATH=$PWD/Tor/
       - go test -timeout=20m -race -v cwtch.im/cwtch/testing/autodownload
   - name: notify-gogs
     image: openpriv/drone-gogs